Tire tread



FIG. 1 is a perspective view of a tire tread showing my new design, it being understood that the tread pattern repeats uniformly throughout the outer circumference of the tire;

FIG. 2 is a front elevation view thereof, the back elevation view being identical thereto; and,

FIG. 3 is a right side elevation view thereof, the left side being identical thereto.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 